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USPS

USPS is the official mail carrier for the United States. USPS mainly ships from within the United States addresses (from and to). You can obtain access to USPS web tools by applying here. The following fields are required:

User ID – Your Web tools User ID.

Password – Your Web tools password.

You will need to contact USPS that you would like to take your account to production mode. You can tell USPS that you have completed the testing required for production mode. Simply email uspstechnicalsupport@mailps.custhelp.com with the subject heading "Please move User ID xxxxxx to the production server". Alternatively, you can follow the contact instructions in the USPS email sent to you during your registration. You may also try contacting USPS Internet Customer Care Center directly over the phone at 1-800-344-7779 Opt. 3